: log structure built by region's first European settler, now interpretive site for pioneer life, reopened after $155,000 restoration that included installation of new foundation and roof as well as repair of logs, windows, front door, and structural elements

LOST c. 1740 Almy House, Dartmouth, Mass.: colonial manse, where ornithologist John James Audubon was weekend guest and Gen. George Patton rode to hunt, razed in June after six-month demolition moratorium passed

1882 "the Room" house, New York City: Upper East Side four-story townhouse, where FDR's intelligence confidants regularly met before World War II, exploded in July from apparent gas leak

1898 Middle Georgia Mill, Eatonton, Ga.: built for leading dairy farmer Benjamin Hunt and later bought by Imperial Cotton; developer salvaged structure's pine and bricks, then demolished structure for townhouses on site

THREATENED1933 Hangar One, Mountain View, Calif.: 17-story hangar built in early Space Age covers area equal to seven football fields and features two 500-ton doors; Navy officials are deciding whether to replace structure's toxic metal skin or raze it altogether

1962 Bell Labs, Holmdel, N.J.: six-story, two-million-square-foot glass structure, built for AT&T Corp.—where scientists developed the laser, fiber optic communication, cell phones, and microwaves—was one of architect Eero Saarinen's final designs; current owner plans to demolish it for new offices

SAVED 1899 Abbott Methodist Church, Abbott, Tex.: after dwindling congregation decided to relocate, country music singer Willie Nelson, who honed his musical skills there as a boy, reopened structure in July to remain as church

1912 Pickford Theater, Chicago: prominent in Bronzeville neighborhood's early-20th-century African American theater, motion picture, and music scenes, brick structure with steel-trussed roof contains original movie screen wall, plaster details, and proscenium arch; local Catholic high school plans to convert it to 300-seat auditorium